CHINO (CBSLA.com) — A police officer on a motorcycle was seriously injured in a violent crash in Chino, authorities said.

The accident happened Monday afternoon at an intersection near the 60 Freeway in the Central Avenue on- and off- ramp.

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The unidentified officer was airlifted to a hospital in serious condition. The officer was said to be breathing, responsive and conscious.

It remains unclear how the accident between the officer and a red truck occurred. The driver of the truck remained at the scene to talk with officers.

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The California Highway Patrol is investigating. It remains unclear who was at fault.

Due to the crash and investigation, the east and west off-ramps off the 60 Freeway at Central were closed. For traffic updates, tune-in to KNX 1070 NEWSRADIO.

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No further details were immediately available.